![]() Considering the scenario of using the potential of CSP to replace the current power supply to the maximum extent, CO 2 emission would have been reduced by 5.19 × 10 8, 5.61 × 10 8, and 6.24 × 10 8 t in 2017, 2018, and 2019, respectively. The corresponding annual energy generation potential is 6.46 × 10 13–1.85 × 10 14 kWh. The potential installed capacity is 2.45 × 10 7–5.40 × 10 7 MW, considering four CSP technologies. Based on the available solar resource on the suitable land, the geographical potential is 2.13 × 10 15 kWh. The results show that approximately 1.02 × 10 6 km 2 of land is available to support CSP development in China. ![]() Then, based on the power conversion efficiency difference from various CSP technologies, the technical potential was calculated on suitable land. Exclusion criteria including solar radiation, slope, land-use type, natural reserve, and water resources were adopted to determine the suitability of CSP plant construction. A comprehensive framework including geographic and technical constrains was proposed. To address this knowledge gap, the geographical, technical, and CO 2 emission reduction potential of CSP in China was evaluated by province based on a high resolution geographical information system with up-to-date data. Few previous studies have estimated CSP technology’s power generation and CO 2 emission reduction potentials in China. Concentrated solar power (CSP) technology can not only match peak demand in power systems but also play an important role in the carbon neutrality pathway worldwide.
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